I also had to look hard to find easy way to increase final image size. And it's not in album.php like you'd expect. Once I found it, it's very easy. Look in the header.php file.
`
<?php if (!defined('WEBPATH')) die();
setOption('image_size','500',false);
setOption('image_use_side','longest',false);
setOption('thumb_size','75',false);
setOption('thumb_crop','1',false);
setOption('thumb_crop_width','75',false);
setOption('thumb_crop_height','75',false);
?>
`
e.g. in my case I was ok with 500 pixel size for images on album pages, but wanted a larger image on the image pages so I changed the 500 to 640, e.g.
As to changing album thumbsize, I think you'll have to edit the album.php file. E.g. change the following line to your preferred dimensions.
`
<?php echo getBareAlbumTitle();?>">
<?php printCustomAlbumThumbImage
(getBareAlbumTitle(),NULL,267,192,267,194); ?></a>
`
If you change the width from original 267 which I didn't, you'll also have to go to the screen.css file and change the block size (add 6 pixels to your image's size):
`
div#album-wrap ul li{width:273px;display:block;float:left;
margin:10px 20px 10px 0;
padding:0;list-style-type:none;
background:none;}
`
Hope this steers you in right direction.